Solutions by everydaycalculation.com
This multiplication involving fractions can also be rephrased as "What is 10/54 of 42/90?"
1054 × 4290 is 781.
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 20/54×42/90 10/54×84/90 30/54×42/90 50/54×42/90 70/54×42/90
© everydaycalculation.com